Robert F. Kennedy Jr., who's nominated to become the next health secretary, asked the federal government to revoke its authorization of all COVID-19 vaccines in May 2021, just as vaccinated Americans began returning to a sense of normalcy after pandemic lockdowns.

Trump's pick to lead the Department of Health and Human Services petitioned the FDA over the shot that saved thousands of lives

Robert F. Kennedy Jr. reportedly tried to get the Food and Drugs Administration to pull Covid-19 vaccines and deny all future approvals during the pandemic.

In May 2021, just six months after the rollout of the Covid vaccine, Robert F. Kennedy Junior tried to stop all coronavirus vaccinations in the U.S., the New York Times reports. Sen. Ed Markey joins to discuss that and more.